This product has been discontinued.
Extech CL500: Free and Total Chlorine Meter
Portable tester for measuring of both Free and Total Chlorine up to 3.50ppm
The CL500 is a free and total Chlorine meter. This chlorine tester measures up to 3.50ppm with 0.01ppm resolution on its large LCD screen. Complete with Free, Total and Zero Chlorine standard solutions, test bottles with covers, Free and Total Chlorine DPD powder (10pcs), cleaning cloth, 6 AAA batteries, and hard carrying case.